Finding the Fourth Proportional to 83,473.40, 115,192.49 and 45,232.08
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Solution
The fourth proportional to 83,473.40, 115,192.49 and 45,232.08 is: 62,419.84
Step by Step Solution
- Step 1: Write the proportion equation
83,473.40 : 115,192.49 = 45,232.08 : x - Step 2: Convert to fraction form
83,473.40/115,192.49 = 45,232.08/x - Step 3: Cross multiply
83,473.40x = 115,192.49 × 45,232.08 - Step 4: Simplify right side
83,473.40x = 5,210,395,696.92 - Step 5: Solve for x
x = 5,210,395,696.92/83,473.40 - Step 6: Final answer
x = 62,419.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.